Grashhenko Artem
From Moscow, Russia
Internal rating (RR)
Rating date Jan. 22, 2026 (latest changes Jan. 14, 2026).
216 place (90.99).
how we calculated rating score
max_coefficients = (4.10 * 1 + 3.90 * 1 + 3.50 * 1 + 3.45 * 1) = 14.95
p1 = (565.22 * 2.10 * 0.29 + 254.90 * 3.05 * 0.43 + 0 + 0 + 0) / (2.10 * 0.29 + 3.05 * 0.43 + 1 + 1 + 1) = 137.00888490381482
p2 = (565.22 * 2.10 * 0.29 + 254.90 * 3.05 * 0.43) / max_coefficients = 44.971906354515056
score = 137.00888490381482 * 0.5 + 44.971906354515056 * 0.5 = 90.99039562916494
Rating changes
| Date | Place | Points | Reason |
|---|---|---|---|
| 2026-01-12 | 215 -> 216 | 90.99 | |
| 2026-01-10 | 214 -> 215 | 90.99 | |
| 2026-01-07 | 213 -> 214 | 90.99 | |
| 2026-01-01 | 214 -> 213 | 90.99 | |
| 2025-12-09 | 214 | 99.51 -> 90.99 |
Agari Summer Tournament 2024: 57% -> 43% |
| 2025-12-07 | 209 -> 214 | 99.51 | |
| 2025-11-30 | 208 -> 209 | 116.31 -> 99.51 |
Seihoku spring tournament 2024: 43% -> 29% |
| 2025-11-04 | 202 -> 208 | 117.76 -> 116.31 | |
| 2025-11-01 | 203 -> 202 | 117.65 -> 117.76 | |
| 2025-10-13 | 203 | 116.64 -> 117.65 |
Tournaments
| # | Base rank | Date | Place | Power | Coefficient | Rating | Tournament | City | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 255 |
|
39/52 | 43% | 3.05 | RR | Agari Summer Tournament 2024 | Moscow | |
| 2 | 565 |
|
21/47 | 29% | 2.10 | RR | Seihoku spring tournament 2024 | Saint Petersburg |